TikTok users can't get enough of Floyd's undeniable anger, as one person jokingly warned: "Do not turn your back on this ...

A kitten with a permanently grumpy facial expression is delighting the internet, earning itself the nickname "Grumpy Cat 2.0." On October 10, Reddit user Diana (u/MickPawsome) shared a snap of her ...

If you're anything like us, then you love grumpy cats. It's amazing how they can look so incredibly angry and so incredibly cute at the same time. And hey, these frustrated felines might look like ...

Arizona's own Grumpy Cat might have met her miserable match: Garfi, the so-called angriest cat in the world. Garfi, the cat with a hilariously furious face, became an online sensation when pictures of ...

If a bad mood were a video, chances are it would look just like this one of Merlin, a Ragdoll cat that has 'resting cat face'. Whether he's happy or sad, excited or scared, he always has an adorable ...